| EPSRC Reference: |
GR/M88839/01 |
| Title: |
EFFECTIVE INTERACTIONS BETWEEN MESOSCOPIC PARTICLES IN COMPLEX FLUIDS |
| Principal Investigator: |
Hansen, Professor JP |
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| Department: |
Chemistry |
| Organisation: |
University of Cambridge |
| Scheme: |
Standard Research (Pre-FEC) |
| Starts: |
01 January 2000 |
Ends: |
31 December 2002 |
Value (£): |
151,966
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| EPSRC Research Topic Classifications: |
| Complex fluids & soft solids |
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| EPSRC Industrial Sector Classifications: |
| Chemicals |
Food and Drink |
| No relevance to Underpinning Sectors |
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Summary on Grant Application Form |
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Overcoming the enormous gap between mesoscopic and molecular length and timescales in complex fluids, in particular in colloidal dispersions, is one of the major contemporary challenges in any statistical description. Integrating out the molecular degrees of freedom of the solvent, microscopic ions, or polymer-coils leads effective interactions between the mesoparticles that are largely entropic in nature. The objectives of the present project are: a) to put archetypical effective interactions like the DLVO potential between charged-colloids and depletion interactions on a firm statistical basis; b) to clarify some conceptual difficulties associated with the reduction of an initial multi-scale, multi-component system to an effect one -component system, in particular as regards fluctuations and phase-coexistence ; c) to extend the density functional analysis to a variety of more complex situations, in close connections with current experimental investigations. The emphasis will be on mesoscopic mixtures involving non-spherical particles (e.g. rod-colloids), soft particles like polymer coils or membranes. Large-scale Monte Carlo simulations will be out to derive accurate effective colloid-polymer and polymer-polymer interactions. In a final state of the project the applicability of the effective potential picture to dynamical phenomena will be explored.
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Key Findings |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Potential use in non-academic contexts |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Impacts |
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| Description |
This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk |
| Summary |
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Sectors submitted by the Researcher |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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| Project URL: |
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| Further Information: |
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| Organisation Website: |
http://www.cam.ac.uk |